Submission #571346

#	Time	Username	Problem	Language	Result	Execution time	Memory
571346		RandomLB	Coins (IOI17_coins)	C++17	Compilation error	0 ms	0 KiB

coins

#include <bits/stdc++.h>
using namespace std;

int[] coin_flips(int[] b, int c){
    int xr = 0;
    for (int i = 0; i < 64; i++) if (b[i]) xr ^= i;
    b[c^xr] = 1-b[c^xr];
    retrun b;
}

int find_coin(int b[64]){
    int xr = 0;
    for (int i = 0; i < 64; i++) if (b[i]) xr ^= i;
    return xr;
}

Compilation message (stderr)

coins.cpp:4:4: error: structured binding declaration cannot have type 'int'
    4 | int[] coin_flips(int[] b, int c){
      |    ^~
coins.cpp:4:4: note: type must be cv-qualified 'auto' or reference to cv-qualified 'auto'
coins.cpp:4:4: error: empty structured binding declaration
coins.cpp:4:7: error: expected initializer before 'coin_flips'
    4 | int[] coin_flips(int[] b, int c){
      |       ^~~~~~~~~~